Actions(deps): Bump actions/upload-artifact from 3.0.0 to 3.1.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3.0.0...v3.1.0)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/coverage.yml

@@ -81,7 +81,7 @@ jobs:
         exec ./.travis.sh
 
     - name: Store coverage .info and HTML report
-      uses: actions/upload-artifact@v3.0.0
+      uses: actions/upload-artifact@v3.1.0
       with:
         name: coverage
         path: expat/coverage__*/